ASoC: Intel: Skylake: Fix to fail safely if module not available in path

If a module is not available in a pipeline, fail safely rather than
causing oops.

Signed-off-by: G Kranthi <gudishax.kranthikumar@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 84b5101e6ca691df0e0896b59a95e07a55e3b5e7..6c6b63a6b338f50f0eb218f231506f0017e56241 100644 (file)
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -180,6 +180,9 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
        snd_pcm_set_sync(substream);
 
        mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
+       if (!mconfig)
+               return -EINVAL;
+
        skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
 
        return 0;